diff --git a/web/src/pages/TeamMembersPage.tsx b/web/src/pages/TeamMembersPage.tsx
index 48eb457..bf819ad 100644
--- a/web/src/pages/TeamMembersPage.tsx
+++ b/web/src/pages/TeamMembersPage.tsx
@@ -304,7 +304,7 @@ export function TeamMembersPage() {
                 <select
                   value={editRole}
                   onChange={(e) => setEditRole(e.target.value as 'admin' | 'member')}
-                  style={{ width: '100%', padding: '8px 12px', borderRadius: 6, border: '1px solid var(--color-border-card)', background: 'var(--color-bg-page)', color: 'var(--color-text-primary)', fontSize: 14 }}
+                  style={{ width: 200, padding: '8px 12px', borderRadius: 6, border: '1px solid var(--color-border-card)', background: 'var(--color-bg-page)', color: 'var(--color-text-primary)', fontSize: 14 }}
                 >
                   <option value="member">成员</option>
                   <option value="admin">副管理员</option>